Review Time
I feel like I wasted my money, time, and energy due to the clear negligence displayed. It's baffling how they have received positive reviews. My entire experience was a nightmare, and the most frustrating part was the lack of support. They diverted blame for the platform's failures to me, which is entirely untrue. The service loses your bots and substitutes them with ineffective ones. When I raised concerns, I was merely asked to send my code for their review. Instead of receiving help, they only deepened my distrust. It seems only those deeply familiar with technology can relate to their poor customer service and flawed platform. I spent money without any resolution.
Overall great platform.Great platform, I have been using it for a while now and it really is spectacular, so thanks for the platform.So why am I not giving it 5 stars? Well, as a EU citizen, I can't create algorithms that trades ETFs.For regulatory reasons, I cannot trade ETFs like QQQ, because it doesn't have a KID (nothing to do with QuantConnect).However, QuantConnect has no integrations with any EU exchanges! That means that all of the EU alternatives are blocked, and this is a QuantConnect decision. So even though I can trade the EU ETFs through my broker, and QuantConnect has an integration to the broker, QuantConnect isn't allowing the trade with the EU alternative. Furthermore, since there isn't a single integration with any EU exchanges, I'm blocked from trading ETFs altogether. Just an FYI for any Europeans considering this platform.QuantConnect suggests exchanging the ETF with the corrosponding CFD. This, however, is only feasible for intraday strategies, not for rebalancing strategies that works on higher timeframes since CFDs come with overnight fees from the brokers, quickly adding up.Again, great platform, but as a EU citizen, you're just not prioritized, and you won't be any time soon.
QuantConnect is a great platform for retail quants and quant firms, which do not want or do not have the resources to build the whole backtesting and live trading infrastructure and do all the data wrangling themselves.It provides an easy-to-use backtesting platform for your strategies, and without modifications of the code, they could be deployed for live trading. Most importantly, it has all the data you could wish for cleaned up and ready to use.I would like to add that you can really run a great variety of strategies, on single etf/futures/crypto, to universes of stocks and from technical analysis to calendar effects and using third party data (e.g., sentiment), etc. Also you can use usual Python Machine Learning packages, etc. So far, I haven't come across a strategy that I could not somehow implement within the QuantConnect ecosystem.For me, this is as straightforward as it gets, so I can wholeheartedly recommend.
QuantConnect is a game-changing platform, leveling the playing field and democratizing access to sophisticated infrastructure. It is a great partner for your investing journey, whether you're a professional or aspiring fund manager or even a student! I highly recommend it!
I'm a big fan of QuantConnect.Previous to this, I was writing a code (mostly using AI) that would talk to IBKR directly. Suffice to say, my code was pretty buggy, and I'd run into really strange things with interactive. Also, I had to write my code twice:1. Once for backtests2. And a second time for live executionAnd so naturally bugs cropped up between them. I also always had to write code that would deal with fees and I was also paying Polygon $100/month for just data. Being able to unify the code and backtest and run with the same code was a huge win for me. I actually saved money because I could cancel Polygon and just use their data. QuantConnect does have some sharp edges. And some of the documentation and AI features took me a while to find out or to figure out. But it's certainly been worth it. Also Jared, who is I believe the founder of the CEO at least is involved in the day-to-day operations. The Discord chat is really useful and really active, so you can always pop in and ask questions there. Their new AI bot in Discord ("Mia") has been super duper helpful. I'll often produce code samples directly from it - and often it "just works" right out of the box, so they're much better than using ChatGPT or Claude to generate code. The custom AI bot has better training data, so the code that it spits out is really good. If you're at all on the fence on this, I would definitely try it out. It's definitely worth using it and has saved me so much time, frustration, and money. I'm a big fan.
Very easy tool to use for creating, backtesting, optimizing and going live with a trading strategy. I went from concept to live trading in less than a month. It probably helped that I have a programming background. But really Quantconnect made it so easy and simple.
QuantConnect has been an absolute game-changer for my algorithmic trading journey. What sets this platform apart is its robust infrastructure and comprehensive backtesting capabilities - honestly, I haven't found anything else on the market that offers this level of functionality for algorithm development.The backtesting engine is incredibly powerful and has been helping me refine and improve trading algorithms. Being able to test strategies against historical data has saved me countless hours and potential losses. The platform handles complex scenarios and provides guided results to make informed decisions about your strategies.What I appreciate most is the ability to iterate quickly and see real results which has dramatically accelerated our development process for our startup.
I really like that QC is both beginner friendly (has instructive bootcamp classes, intuitive UI for coding and viewing plots/results, and extensive built-in functions) but also supports complex designs, i.e. no limiting assumptions or constraints on the user’s algorithms. The parameter optimization tool is really convenient and connecting to IB has been smooth and reliable. QC makes it possible for anyone (that can program) to explore algorithmic trading.
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QuantConnect provides an algorithm backtesting tool and financial data so engineers can design algorithmic trading strategies. We democratize algorithm trading technology with a fully open-source platform to empower investors.
Our community of 220,000 engineers designs investment strategies in Python or C# to trade through to their brokerage accounts. Each month we do $1-2B in notional volume, and serve 5,000+ users. See more
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